Potatoes: Production, Marketing, And Programs For Developing CountriesWorld patterns and trends in potato production and use; The potato crop and its physical environment; The socioeconomic environment: Levels of development and public policies; Supply, demand, and marketing; Potato nutrition and consuption; Potato production systems; Research priorities and potato programs; Impact of potato programs; Summing up. |
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Kết quả 1-3 trong 36
Trang 37
Soil temperatures below about 12 degrees or above 28 degrees C impair sprout development . Frost and hail can damage potato plants and cut yields drastically . Farmers high in the Andes grow “ bitter ” potatoes because these potatoes ...
Soil temperatures below about 12 degrees or above 28 degrees C impair sprout development . Frost and hail can damage potato plants and cut yields drastically . Farmers high in the Andes grow “ bitter ” potatoes because these potatoes ...
Trang 38
Excessive soil moisture , although less common than moisture shortage , may also reduce potato yields . The limited oxygen content of very wet soil damages roots , and new tubers in saturated soil may rot because their lenticels open ...
Excessive soil moisture , although less common than moisture shortage , may also reduce potato yields . The limited oxygen content of very wet soil damages roots , and new tubers in saturated soil may rot because their lenticels open ...
Trang 40
As a rule , soil scientists and extension workers recommend that field crops , including potatoes , be planted on level land rather than on hillsides to minimize erosion and take advantage of fertile valley - bottom soils .
As a rule , soil scientists and extension workers recommend that field crops , including potatoes , be planted on level land rather than on hillsides to minimize erosion and take advantage of fertile valley - bottom soils .
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Nội dung
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Potato nutrition and consumption | 93 |
Bản quyền | |
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Potatoes: Production, Marketing, And Programs For Developing Countries Douglas Horton Xem trước bị giới hạn - 2019 |
POTATOES: Production, Marketing, and Programs for Developing Countries DOUGLAS. HORTON Không có bản xem trước - 2019 |
Thuật ngữ và cụm từ thông dụng
agricultural America areas average Bangladesh blight breeding capita Center Central cereals changes cold commodity consumers costs crop cultivation demand depends developing countries diseases early economic effect estimates Europe example expand farmers farms fertilizers field food crops growing grown growth harvest hectare higher highland highly impact important improved income increase India inputs insect institutions International irrigation land late less levels limited losses lower lowland major Mantaro Valley needs North percent period Peru pests plant policies population potato consumption potato crop potato prices potato production potato programs practices problems processing projections rates reduce regions relative requirements research and extension resistance response result rice root Rwanda season seed tubers selection soil South South Korea spread sprout storage stored supply Table temperate temperatures tons tropical usually varieties vegetable virus yields zones
Thông tin thư mục
| Tiêu đề | Potatoes: Production, Marketing, And Programs For Developing Countries |
| Tác giả | Douglas E. Horton |
| Ấn bản | có minh hoạ |
| Nhà xuất bản | Avalon Publishing, 1987 |
| Nguyên bản từ | Đại học Texas |
| Đă được số hóa | 5 Tháng Năm 2008 |
| ISBN | 081337197X, 9780813371979 |
| Độ dài | 244 trang |
| Xuất lời trích dẫn | BiBTeX EndNote RefMan |